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Finding the Third Proportional to 155,607.75 and 247,019.63

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Solution

The third proportional to 155,607.75 and 247,019.63 is: 392,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,607.75 : 247,019.63 = 247,019.63 : x
  2. Step 2: Convert to fraction form
    155,607.75/247,019.63 = 247,019.63/x
  3. Step 3: Cross multiply
    155,607.75x = 247,019.63 × 247,019.63
  4. Step 4: Simplify right side
    155,607.75x = 61,018,695,135.14
  5. Step 5: Solve for x
    x = 61,018,695,135.14/155,607.75
  6. Step 6: Final answer
    x = 392,131.47

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.